Single Screw Plastic Extruder
Process:ø15-ø500mm
L/D radio:L/D-15-55
Lineanty:0.015mm/m
Surface Roughness:Ra0.4um
Zhejiang Zhongyang Screw Manufacturing Co., Ltd. is one of the leading manufacturers and suppliers of single screw plastic extruder in China. With abundant experience, we warmly welcome you to buy durable single screw plastic extruder from our factory. All customized products are with high quality and competitive price.

Product Introduction
The single-screw extruder is a core component of a plastic extruder, specifically designed for the conveying, plasticizing, and homogenizing of plastic raw materials. It is a crucial part of extrusion production lines for plastic pipes, sheets, films, and profiles. This product is suitable for various plastic processing equipment, including plastic extruders and related industrial extrusion machinery.
Product Description
High Screw Design Versatility
To meet diverse processing needs, screws can be designed in various structural forms, including:
1. Standard Screw: Suitable for conveying and melting general plastic materials.
2. Barrier Screw: Improves plasticizing efficiency and mixing uniformity.
3. Separation/Ventilation Screw: Enhances gas release and stabilizes venting.
This flexible design helps improve processing efficiency, increase output, and enhance finished product quality.

Product Variety
Various screw structures are available to suit the different properties of plastics, significantly improving plasticizing effects.
Common structures include: gradient, abrupt change, wave, barrier, double-screen, flow-diverting, separation, venting, pin, and hybrid types, as well as double-headed, triple-headed, and multi-headed types. Furthermore, the screw compression ratio can be customized to meet the specific needs of different products and formulations.
|
Screw diameter |
ø15-ø500mm |
|
L/D radio |
L/D-15-55 |
|
Materials |
38CrMOALA (SACM645), 31CrMoV9 (1.8519), 34CrAINi7 (1.8550), X153CrMoV12 (1.2379). Cr12MoV (SKD1), 4Cr5MoSiV1 (SKD61,H13), 9Cr18MoV, 42CrMo |
|
Surface Roughness |
Ra0.4um |
|
Lineanty |
0.015mm/m |
|
Nitrided hardness |
HV850-1000 |
|
Nitrided Depth |
0.5-0.8mm |
|
Bimetal thickness |
2-3 mm (screw),1.5-2.5mm (barrel) |
|
Bimetal hardness |
HRC50-65 |
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